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题型：单选题题类：模拟题难易度：普通

You should keep working hard ________ you have passed the exam.

A、if B、because C、when D、even though

举一反三

Stephen Hawking got more than 380, 000 followers in two hours first message on Weibo.

My father came back while I was having dinner.

You'd better get up earlier, ______ you'll be late for school.

— is it from the village to your school?

— About 10 minutes' walk.

I still keep taking exercise every day I am busy with so many subjects.

A{#blank#}1{#/blank#} she is a child, she knows quite a lot.

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